code: def _load_config(config: Union[str, Dict] = None):
      return load_config(
          config, default_config_file=DEFAULT_CONFIG_FILE
      )
  
imports: import asyncio
  import atexit
  import os
  import sys
  import logging
  from concurrent.futures import Future
  from typing import Dict, List, Union
  import numpy
  from ...None import oscar
  from ...core.entrypoints import init_extension_entrypoints
  from ...lib.aio import get_isolation
  from ...metrics import init_metrics
  from ...oscar.backends.router import Router
  from ...resource import cpu_count, cuda_count, mem_total
  from ...services import NodeRole
  from ...services.task.execution.api import ExecutionConfig
  from ...session import AbstractSession, _new_session, ensure_isolation_created
  from ...typing import ClusterType, ClientType
  from ..utils import get_third_party_modules_from_config, load_config
  from .pool import create_supervisor_actor_pool, create_worker_actor_pool
  from .service import start_supervisor, start_worker, stop_supervisor, stop_worker
label_desc: Use image node_id 1 for calling a global function with example usage: _load_config(config) and returns: load_config